LessonsThe Fourth Figure: Productive Conditions, Moods and ProofsQuiz

Minor: All reciters are human.
Major: Some teachers are reciters.
Conclusion: Some humans are teachers.

Existence is explicitly provided by “some teachers” in the major. Every such teacher who is a reciter is human by the minor, establishing the particular conclusion.

We cannot replace “some” with “all”: the premises identify some teachers as reciters, not every teacher.

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Particular affirmative major

The Fourth Figure: Productive Conditions, Moods and Proofs

Minor: All reciters are human.
Major: Some teachers are reciters.
Conclusion: Some humans are teachers.

Existence is explicitly provided by “some teachers” in the major. Every such teacher who is a reciter is human by the minor, establishing the particular conclusion.

We cannot replace “some” with “all”: the premises identify some teachers as reciters, not every teacher.